错误！

java.lang.NullPointerException
	at _jsp._kshow1._index__jsp._jspService(_index__jsp.java:215)
	at com.caucho.jsp.JavaPage.service(JavaPage.java:60)
	at com.caucho.jsp.Page.pageservice(Page.java:579)
	at com.caucho.server.dispatch.PageFilterChain.doFilter(PageFilterChain.java:159)
	at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:350)
	at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
	at com.caucho.server.cache.CacheFilterChain.doFilter(CacheFilterChain.java:209)
	at com.caucho.server.webapp.WebAppFilterChain.doFilter(WebAppFilterChain.java:163)
	at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:208)
	at com.caucho.server.hmux.HmuxRequest.handleRequest(HmuxRequest.java:396)
	at com.caucho.server.port.TcpConnection.run(TcpConnection.java:363)
	at com.caucho.util.ThreadPool.runTasks(ThreadPool.java:490)
	at com.caucho.util.ThreadPool.run(ThreadPool.java:423)
	at java.lang.Thread.run(Thread.java:595)